There are sample apps out there. Check out Pocket TaskVision.
http://www.windowsforms.com/Default.aspx?tabindex=7&tabid=44

Basically, when you are disconnected, you can store info on the device in a XML file or SQL CE. Once you are connected you can upload the orders through Web Services or SQL replication.

>Hi.
>I am wondering if abybody has used V Studio .net 2003 to connect, run an app, and download files to and from DeskTop.
>
>I have done some querying on the Web but there does not seem to be a lot of expertise out there.
>
>Typical application will be Van sales where :
>1. Van man is out on the road and enters orders into Pocket PC
>2. He comes back to site each day and loads up stock for the next day
>
>It will not be practical to have analways on connection....
>
>
>Has anybody first hand experience of doing this ?
>
>regards,
>
>Gerard